What is Cholesterol?Cholesterol is a sterol (a combination steroid and alcohol). Cholesterol is a lipid found in the cell membranes of all tissues, and it is transported in the blood plasma of all animals. Because cholesterol is synthesized by all eukaryotes, trace amounts of cholesterol are also found in membranes of plants and fungi.The name originates from the Greek chole- (bile) and stereos (solid), and the chemical suffix -ol for an alcohol, as researchers first identified cholesterol in solid form in gallstones by Francois Poulletier de la Salle in 1769. However, it is only in 1815 that chemist Eugene Chevreul named the compound "cholesterine".[2]Most of the cholesterol is synthesized by the body and some has dietary origin. Cholesterol is more abundant in tissues which either synthesize more or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain. It plays a central role in many biochemical processes, such as the composition of cell membranes and the synthesis of steroid hormones. Cholesterol is insoluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoprotein, spherical particles which have an exterior composed mainly of water-soluble proteins. The main types, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) carry cholesterol from and to the liver.According to the lipid hypothesis, abnormally high cholesterol levels (hypercholesterolemia) and abnormal proportions of LDL and HDL are associated with cardiovascular disease by promoting atheroma development in arteries (atherosclerosis). This disease process leads to myocardial infarction (heart attack), stroke and peripheral vascular disease. As high LDL contributes to this process, it is termed "bad cholesterol", while high levels of HDL ("good cholesterol") offer a degree of protection. The balance can be redressed with exercise, a healthy diet, and sometimes medication. |
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Unstable blood pressure This disorder might have the following associated characteristics: Fluctuating blood pressure, Loss of balance, Momentary blackouts, Multiple system Fluctuating blood pressure? - Yahoo! Answers Fluctuating blood pressure? I have been told that my pregnancy is causing my blood pressure I am currently 34 weeks will it cause my baby to come early. Guillain-BarrĂ© syndrome Guillain-Barré syndrome (GBS) causes progressive muscle weakness and paralysis Blood pressure, heart rate, and heart rhythm also must be monitored. Rapidly fluctuating blood pressure --The Doctors Lounge(TM) Forum Name: Hypertension. Question: Rapidly fluctuating blood pressure ablation to correct WPW syndrome should cause the symptoms to abate for a while, FLUCTUATING BLOOD PRESSURE - High & Low Blood PressureMessage Follow Ups. Re: FLUCTUATING BLOOD PRESSURE Orion 20:21:40 12/08/00 (0) Re: FLUCTUATING BLOOD PRESSURE Naval Shaiva 01:25:45 12/09/00 (1) Polyneuropathy: Peripheral Nerve Disorders: Merck Manual Home Edition Acute polyneuropathy has many causes. It may be caused by an infection involving a toxin . If the disorder is very severe, blood pressure may fluctuate, Ask an Expert: Fluctuating blood pressure Fluctuating blood pressure. 12/10/2006 07:59AM It can cause fatigue in some patients. The labetalol dose can be increased further as needed. Ask an Expert: Fluctuating blood pressure Fluctuating blood pressure. 01/29/2007 02:10PM despite no changes in diet, weight or medication, you need a work-up for other causes of hypertension. Prevention But you can control other risk factors, such as high blood pressure or to cause rapidly fluctuating blood pressure levels, damaging blood vessels. High Blood Pressure - Fluctuating Blood Pressure - In Reference to Fluctuating Blood Pressure - In Reference to "Dawn". by junior Tuesday, May 1, 2007. Dawn, Get information on the causes of high blood pressure. Kidney International - /`Cerebral vasculitis/': Mistaken cause of 'Cerebral vasculitis': Mistaken cause of fluctuating blood pressure and neurological manifestations. W M Manger1,2,3. 1National Hypertension Association, Dizziness 2 Other possible causes of feeling light-headed include blood pressure and heart It causes recurring episodes of vertigo with fluctuating hearing loss and Why is my blood pressure reading fluctuating? - Blood pressure DoctorNDTV - Health India - Blood pressure - Why is my blood pressure reading fluctuating? Alcohol and related disorders - Definition, Description, Causes Genetic studies have isolated a gene that causes alcohol dependence and that is fatigue, depression, sexual dysfunction, fluctuating blood pressure, The Way Up Newsletter - High Blood Pressure Hypertension High blood pressure is a major cause of disease & death. When there is no fluctuating pattern the pressure can be checked any time of the day. Fluctuating Blood Pressure There are few things doctors can do to control fluctuating blood pressure except continue to monitor the patient for possible causes for the differences. Blood Pressure articles, support groups, and resources ?conflict of medication High Blood Pressure (Heart Forum) . Fluctuating BP cant find the cause High Blood Pressure (Heart Forum) · Fluctuating BP Fluctuating BP can't find the cause - Heart Disease - MedHelp Fluctuating BP can't find the cause. 12/12/99 by Michelle S. Tags: Heart, Blood Blood in semen pressurePressure ulcer. Certain tumorsAcoustic neuroma Blood Pressure, A Doctor's Practical Guide With Insider's Tips Does low blood pressure cause symptoms? Or is it another silent killer? . Fluctuating Blood PressureThe Ins and Outs of the Ups and Downs |
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